ughh.abby

17 Questions
1 Answers

+1

396

0

+84

HELP ME!!

Use a calculator to find all solutions of the equation in rectangular form.
x^2−5−3i=0

The solution set is ___ (Simplify your answer. Express complex numbers in terms of i. Do not round until the final answer. Then round read more ..

ughh.abby May 13, 2021

+1

433

0

+84

HELP ME!!!

Establish the identity i dont think the one i choose is right

ughh.abby May 13, 2021

0

428

0

+84

HELP ME!!!

The function graphed to the right is of the form y=atanbx or y=acotbx for some a≠0, b>0.
Determine the equation of the function. (Half- and quarter-points are identified by dots.)
An equation of the function shown is read more ..

ughh.abby May 13, 2021

+1

519

1

+84

HELP ME!!

Find the standard form of the equation of the hyperbola satisfying the given conditions. x-intercepts ±4; foci at (−5,0) and (5,0)
The equation in standard form of the hyperbola is __

ughh.abby May 13, 2021

+1

475

1

+84

HELP!!

Write the complex number in rectangular form.
7 cis 210°
read more ..

ughh.abby May 12, 2021

0

470

1

+84

Help!!

A pilot wants to fly on a bearing of 68.9°. By flying due east, she finds that a 50.2-mph wind, blowing from the south, puts her on course. Find the airspeed and the groundspeed of the plane

ughh.abby May 12, 2021

0

622

2

+84

HELP ME!!

A ship is sailing east. At one point, the bearing of a submerged rock is
48°20′. After the ship has sailed 14.2 mi, the bearing of the rock has become
308°40′. Find the distance of the ship from the rock at the later point.
read more ..

ughh.abby May 12, 2021

+2

560

2

+84

precal

In the study of alternating electric current, instantaneous voltage is modeled by the equation e=Emax sin2πft, where f is the number of cycles per second,Emax is the maximum voltage, and t is the time in seconds. Find the smallest read more ..

ughh.abby May 12, 2021

+1

468

2

+84

precal

Use a calculator to find the value in decimal degrees.
arcsin(−0.1877)

arcsin(−0.1877)≈___° read more ..

ughh.abby May 12, 2021

+1

373

0

+84

PRECAL

Use the identities to find the exact value.

tan ( −π/ 12) = __
read more ..

ughh.abby May 12, 2021

+1

477

1

+84

precal

The function graphed to the right is of the form y=atanbx
or y=acotbx for some a≠0, b>0.
Determine the equation of the function. (Half- and quarter-points are identified by dots.
read more ..

ughh.abby May 12, 2021

0

471

2

+84

PRECAL

At what time on January 20 was low tide at the harbor? What was the height?
Choose the correct answer below.
A. approximately 8:00 P.M.
B. approximately 6:00 A.M. read more ..

ughh.abby May 11, 2021

+1

455

1

+84

PRECAl

Help with this problem...

ughh.abby May 11, 2021

+1

517

2

+84

PRECAL

Write an expression that completes a fundamental identity for the following function.
sin(−z) = ?
Choose the correct answer below.
read more ..

ughh.abby May 11, 2021

+1

662

2

+84

PRECAL

Tell whether the statement is true or false. If false, tell why.
The tangent and secant functions are undefined for the same values.
Choose the correct answer below.
read more ..

ughh.abby May 11, 2021

+1

893

1

+84

To measure a stone face carved on the side of a mountain, two sightings

To measure a stone face carved on the side of a mountain, two sightings
750 feet from the base of the mountain are taken. If the angle of elevation to the bottom of the face is 31° and the angle of elevation to the top is
34°, what read more ..

ElectricPavlov ●

ughh.abby May 11, 2021

+1

483

1

+84

precal

If n is an integer,n•180° represents an integer multiple of 180° and
(2n+1)•90° represents an odd integer multiple of
90°,and so on. Determine whether the expression is equal to 0,
1,−1, or is undefined. read more ..

ughh.abby May 11, 2021

+84

0

did you take the sin inverse on the third step?

ughh.abbyMay 12, 2021